[PATCH] freebsd: Implement selection of FIB (routing table) for tunneled packets

Jason A. Donenfeld Jason at zx2c4.com
Sat Apr 17 16:49:08 UTC 2021

Hi Frank,

On Sat, Apr 17, 2021 at 9:23 AM Frank Behrens <frank at harz.behrens.de> wrote:
> Am 17.04.2021 um 17:00 schrieb Jason A. Donenfeld:
> > Does this actually fix or change anything? Don't new sockets have
> > fib==0 right out of the gate already?
> New sockets inherit the fib from the current process. If you create
> the wg interface from a process with different fib, that fib will also
> be used for this socket. Probably the difference in code is not very
> important for the case of a system default boot. But that may vary
> for jails/vnets with different default fibs.
> In my test case the sequence
>  > setfib 1 ifconfig wg0 create ....
>  > ifconfig wg0 tunnelfib 0
> failed.

Ahh, interesting. I applied your patch. Thanks for the persistence in
getting this feature working well.


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